3427281 has 24 divisors (see below), whose sum is σ = 5818176. Its totient is φ = 1916640.

The previous prime is 3427279. The next prime is 3427289. The reversal of 3427281 is 1827243.

3427281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3427281 - 2¹ = 3427279 is a prime.

It is a super-2 number, since 2×3427281² = 23492510105922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3427289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (242424).

Almost surely, 2^3427281 is an apocalyptic number.

It is an amenable number.

3427281 is a deficient number, since it is larger than the sum of its proper divisors (2390895).

3427281 is a wasteful number, since it uses less digits than its factorization.

3427281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2690 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3427281 is about 1851.2917112114. The cubic root of 3427281 is about 150.7705680541.

The spelling of 3427281 in words is "three million, four hundred twenty-seven thousand, two hundred eighty-one".